chapter 2

Question 1

population

Answer 1

The group about which we wish to draw conclusions is referred to as the

Question 2

Sample:

Answer 2

a subsection or smaller group of research participants selected from the research population

Question 3

sampling methods

Answer 3

• random sampling
• -every member has an equal chance of being selected
• stratified population
• -same propotions of gender as the entire population
• convience sampling
• -readily avaliable without making a sample represent the population

Question 4

types of data

Answer 4

Qualitative data
-‘qualities’ or characteristics of what is being studied
Quantitative data
-numerical
information on the ‘quantity’ or amount of what is being studied

Question 5

ethical considerations

Answer 5

• The role of the experimenter: The researcher must always act in a professional manner
• withdrawal rights
• informed consent
• deception
• debriefing

Question 6

Participants’ rights (respect for participants):

Answer 6

Researchers must always maintain respect for the
participants.
-confidentiality
-voluntary participantion

Question 7

confounding variable

Answer 7

A confounding variable is an “extra” variable that you didn’t account for. They can ruin an experiment and give you useless results

Question 8

Extraneous variables

Answer 8

Extraneous variables are any variables that you are not intentionally studying in your experiment or test and you must control them